dual output digital multi-phase controller ir3567a www.irf.com | ? 20 13 international rectifier | product brief | october 1, 2013 | v3.04 1 features ? dual output 6+2 phase pwm controller ? easiest layout and fewest pins in the industry ? fully supports amd? svi1 & svi2 with dual ocp and intel? vr12 ? overclocking & gaming mode ? switching frequency from 200khz to 2mhz per phase ? ir efficiency shaping features including dynamic phase control and automatic power state switching ? programmable 1-phase operation for light loads and active diode emulation for very light loads ? ir adaptive transient algorithm (ata) on both loops minimizes output bulk capacitors and system cost ? auto-phase detection with auto-compensation ? per-loop fault protection: ovp, uvp, ocp, otp, cfp ? i2c/smbus/pmbus system interface for telemetry of temperature, voltage, current & power for both loops ? multiple time programming (mtp) with integrated charge pump for easy custom configuration ? compatible with ir atl and 3.3v tri-state drivers ? +3.3v supply voltage; -40c to 85c ambient operation ? pb -free, rohs, 7x7mm , 56 -pin, 0.4mm pitch qfn description the ir3567a is a dual-loop digital multi-phase buck controller designed for cpu voltage regulation and is fully compliant with amd? svi1 & svi2 and intel ? vr12 specifications. the ir3567a includes ir s efficiency shaping technology to deliver exceptional efficiency at minimum cost across the entire load range. ir variable gate drive optimizes the mosfet gate drive voltage based on real-time load current. ir s dynamic phase control adds/drops active phases based upon load current and can be configured to enter 1-phase operation and diode emulation mode automatically or by command. irs unique adaptive transient algorithm (ata), based on proprietary non-linear digital pwm algorithms, minimizes output bulk capacitors and multiple time programmable (mtp) storage saves pins and enables a small package size. device configuration and fault parameters are easily defined using the ir digital power design center (dpdc) gui and stored in on- chip mtp. the ir3567a provides extensive ovp, uvp, ocp and otp fault protection and includes thermistor based temperature sensing with vrhot signal . the ir3567a includes numerous features like register diagnostics for fast design cycles and platform differentiation, simplifying vrd design and enabling fastest time- to - market (ttm) with set - and - forget methodology . applications ? amd? svi1 & svi2, intel? vr12 based systems ? desktop & notebook cpu vrs ? high performance graphics processors ordering information base part number package type standard pack orderable part number form quantity ir35 67 a qfn 7 mm x 7 mm tape and reel 3000 ir3567amxxyytrp 1 ir35 67 a qfn 7 mm x 7 mm tape and reel 3000 IR3567AMTRPBF ir35 67 a qfn 7 mm x 7 mm tray 2600 ir3567amtypbf notes: 1. customer specific configuration file, where xx = cu stomer id and yy = configuration file (codes assigne d by ir marketing). downloaded from: http:///
dual output digital multi-phase controller ir3567a www.irf.com | ? 20 13 international rectifier | product brief | october 1, 2013 | v3.04 2 ordering information ir3567am ? ? ? ? ? ? ? ? ? sm_alert# pwm5 isen2_l2 en vrtn rcsm isen5 isen4 isen3 pwm6 vsen sm_dio pwm4 pwrgd/ vrdy1 irtn3 irtn4 irtn2_l2 irtn5 rcsp tsen1 vrhot_icrit# pwm3 vinsen addr_prot v18 a rres vcc isen2 isen1 irtn1 irtn2 pwm2 pwm1 nc rcsm_l2 rcsp_l2 sm_clk cfp nc pwrok/en_l2/ inmode vrdy2 pwm2_l2 vrtn_l2 vsen_l2 57 gnd ir3567a 56 pin 7 x 7 qfn top view 55 51 53 48 54 50 52 47 49 56 46 45 43 44 1 2 7 8 5 6 3 4 10 9 12 11 14 13 16 20 18 23 17 21 19 24 22 15 25 26 28 27 42 41 36 35 38 37 40 39 33 34 31 32 29 30 isen 6 nc vargate pwm1_l2 isen1_l2 i rtn1_l2 irtn6 vddio/ sv_addr svt/ sv_alert sv_dio/ vidsel0 sv_clk/ vidsel1 tsne2/ vauxsen figure 1 : ir3567a pin diagram enlarged p/pbf C lead free tr C tape & reel / ty - tray yy C configuration file id xx C customer id package type (qfn) downloaded from: http:///
dual output digital multi-phase controller ir3567a www.irf.com | ? 20 13 international rectifier | product brief | october 1, 2013 | v3.04 3 typical application diagram +3.3v v_cpu_l1 ir3567a vinsen pwm4 pwm1_l2 pwm3 pwm2 pwm1 isen1_l2 vrdy1 vsen vcc rres v18a vrtn irtn3 isen4 irtn1 rcsp irtn2 rcsm isen3 isen2 isen1 irtn4 +12v main lo a d rcs ccs r series r series r th r vin_ 1 r vin _ 2 irtn1_l2 pwrok/en_l2/inmode tsen1 r th 2 gnd hvcc logate higate vcc gnd pwm lvcc 12v v boot switch v_vgd vargate optional variable gate drive circuit v_cpu_l2 l o a d vr_hot_icrit# sm_clk sm_dio i2c or smbus vv rcsp_l2 rcsm_l2 rcs ccs r series r series r th vsen_l2 vrtn_l2 sv_dio sv_clk vv to/from cpu pwm5 isen5 irtn5 pwm6 isen6 irtn6 cfp sm_alert# v addr_prot 3. 3v hvcc logate higate vcc gnd pwm lvcc v boot switch v v_vgd hvcc logate higate vcc gnd pwm lvcc 5v v boot switch v v_vgd hvcc logate higate vcc gnd pwm lvcc v boot switch v hvcc logate higate vcc gnd pwm lvcc v boot switch v hvcc logate higate vcc gnd pwm lvcc v boot switch v chl8515 unused phases tsen2 svt/sv_alert# vddio vddio vrdy2 en 5v v_vgd v_vgd 5v v_vgd pwm2_l2 isen2_l2 irtn2_l2 hvcc logate higate vcc gnd pwm lvcc 5v v boot switch v v_vgd 12v 5v 12v chl8515 chl8515 chl8515 chl8515 chl8515 chl8515 12v 12v 12v 5v 12v 5v v r th 2 figure 2 : dual-loop vr using ir3567a controller and chl8515 mosf et drivers in 4+2 configuration downloaded from: http:///
dual output digital multi-phase controller ir3567a www.irf.com | ? 20 13 international rectifier | product brief | october 1, 2013 | v3.04 4 data and specifications subject to change without notice . this product will be designed and qualified for the consumer market. qualification standards can be found on irs web site . ir world headquarters: 233 kansas st., el segundo, california 90245, usa te l: (310) 252-7105 tac fax: (310) 252-7903 visit us at www.irf.com for sales contact information . www.irf.com downloaded from: http:///
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